MMaterialsgateNEWS vom 12.09.2008

Engineers create new gecko-like adhesive that shakes off dirt

Researchers at the University of California, Berkeley, are continuing their march toward creating a synthetic, gecko-like adhesive, one sticky step at a time.
Their latest milestone is the first adhesive that cleans itself after each use without the need for water or chemicals, much like the remarkable hairs found on the gecko lizard's toes. "It brings us closer to being able to build truly all-terrain robots, which will in the future be able to scamper up walls and across ceilings in everyday environments rather than only on clean glass," said Ron Fearing, UC Berkeley professor of electrical engineering and computer sciences and head of the research team developing the new material. "We can envision robots being able to go anywhere they are needed, perhaps in the search for survivors after a disaster." The adhesive's development is reported online today (Wednesday, Sept. 10) in Langmuir, a peer-reviewed journal of the American Chemical Society that covers a wide range of topics, including surface properties, nanostructures and biomimetic materials. For years, scientists have been trying to develop a man-made version of the toe hairs that make the lizard's acrobatic feats possible. Earlier this year, Fearing's group developed another gecko-inspired adhesive using polymer microfibers that could easily attach to and detach from clean surfaces. But researchers said replicating the gecko's ability to walk through dirty surfaces yet keep its feet clean enough to climb walls has been tricky. In 2005, research led by Kellar Autumn, associate professor of biology at Lewis & Clark College

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Recherchiert und dokumentiert von:

Dr.-Ing. Christoph Konetschny, Inhaber und Gründer von Materialsgate
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